text: The house is made up of 24 layers of concrete, "printed" by a machine that sprays one layer on top of the other, then completes other stages such as the roof?
classes:  No, the landlord hired construction company xx to build the house out of reinforced concrete.  Also, the landlord hired construction company xx to build the house out of reinforced concrete.  Yes, the landlord hired construction company xx to build the house out of reinforced concrete.